/*初始化样式*/
a, a:hover, a:link, a:active {
  text-decoration: none;
  color: #333;
  cursor: pointer;
}

ul, li {
  list-style: none;
}


body {
  background: #fff;
}


.public_title {
  width: 100%;
  text-align: center;
  font-size: 28px;
  color: #000000;
}
.public_subtitle {
  font-size: 14px;
  color: #9a9a9a;
  margin-top: 12px;
  text-align: center;
}
/*顶部*/

.top_header {
  width: 100%;
  background: #f4f4f4;
  height: 40px;
}
.top_header .top_center {
    width: 100%;
    max-width: 1200px;
  margin: 0 auto;
  display: flex;
  justify-content: space-between;
  align-items: center;
}
.top_header .top_center .top_left {
  display: flex;
  align-items: center;
  height: 40px;
  cursor: pointer;
  position: relative;
  padding: 0 10px;
  border: 1px solid #f4f4f4;
  z-index: 99;
}
.top_header .top_center .top_left:hover {
  border: 1px solid #d8d8d8;
}
.top_header .top_center .top_left .icon {
  display: block;
  width: 16px;
}
.top_header .top_center .top_left .add {
  font-size: 13px;
  color: #333;
  margin-left: 5px;
}
.top_header .top_center .top_left .tab {
  color: #1295f8;
  font-size: 13px;
  margin-left: 3px;
}
.top_header .top_center .top_left .more_city {
  position: absolute;
  width: 408px;
  height: 228px;
  top: 100%;
  left: 0;
  border: 1px solid #d8d8d8;
  background: #fff;
  display: none;
}
.top_header .top_center .top_left:hover .more_city {
  display: block;
}
.top_header .top_center .top_left .more_city .hot_city {
  width: 100%;
  height: 38px;
  border-bottom: 1px #d8d8d8 solid;
  background-color: #f4f4f4;
  position: relative;
}
.top_header .top_center .top_left .more_city .hot_city span {
  height: 38px;
  border-bottom: 2px #1295f8 solid;
  float: left;
  width: 60px;
  margin-left: 26px;
  line-height: 38px;
  color: #333;
  text-align: center;
  cursor: pointer;
}
.top_header .top_center .top_left .more_city .hot_city:after {
  content: "";
  position: absolute;
  top: -1px;
  left: 0;
  width: 104px;
  height: 1px;
  background: #f4f4f4;
}
.top_header .top_center .top_left .more_city .city_list {
  padding: 10px 0 9px 36px;
  width: 100%;
  display: flex;
  flex-wrap: wrap;
}
.top_header .top_center .top_left .more_city .city_list .city_item {
  width: 61px;
  overflow: hidden;
  color: #666;
  text-align: left;
  height: 28px;
  line-height: 28px;
}
.top_header .top_center .top_left .more_city .city_list .city_item a:hover {
  color: #ce0505;
}
.top_header .top_center .top_left .more_city .more_btn {
  margin-left: 36px;
  color: #999;
  display: block;
  width: max-content;
}
.top_header .top_center .top_left .more_city .more_btn:hover {
  color: #ce0505;
}
.top_header .top_center .top_right {
  display: flex;
  align-items: center;
  height: 40px;
}
.top_header .top_center .top_right .top_nav {
  display: flex;
  align-items: center;
}
.top_header .top_center .top_right .top_nav li {
  padding: 0 10px;
  position: relative;
}
.top_header .top_center .top_right .top_nav li:after {
  content: "";
  width: 2px;
  height: 12px;
  background: #b5b5b5;
  position: absolute;
  top: 50%;
  right: -1px;
  margin-top: -6px;
}
.top_header .top_center .top_right .top_nav li:last-child:after {
  width: 0;
}
.top_header .top_center .top_right .top_nav li a {
  font-size: 13px;
  color: #9a9a9a;
}
.top_header .top_center .top_right .top_nav li a:hover {
  color: #ce0505;
}
.top_header .top_center .top_right .top_phone {
  margin-left: 70px;
  display: flex;
  align-items: center;
  height: 40px;
}
.top_header .top_center .top_right .top_phone .icon {
  width: 20px;
  display: block;
}
.top_header .top_center .top_right .top_phone .text {
  font-size: 15px;
  margin-left: 5px;
  color: #1295f8;
  font-weight:bolder;
}
/*导航*/

.nav_wrap {
  width: 100%;
  background: #fff;
}
.nav_wrap .nav_center {
    width: 100%;
    max-width: 1200px;
  margin: 0 auto;
  display: flex;
  justify-content: space-between;
  align-items: center;
  height: 80px;
  background:#fff;
}
.nav_wrap .nav_center .nav_logo {
  display: flex;
  align-items: center;
}
.nav_wrap .nav_center .nav_logo .logo {
  width: 125px;
  display: block;
}
.nav_wrap .nav_center .nav_logo .nav_menu {
  display: flex;
  align-items: center;
  margin-left: 38px;
  margin-top: 5px;
}
.nav_wrap .nav_center .nav_logo .nav_menu li {
  display: flex;
  align-items: center;
  margin: 0 13px;
  position: relative;
  height: 80px;
}
.nav_wrap .nav_center .nav_logo .nav_menu li.on i, .nav_wrap .nav_center .nav_logo .nav_menu li:hover i {
  color: #1295f8;
}
.nav_wrap .nav_center .nav_logo .nav_menu li i {
  font-size: 18px;
  margin-top: -4px;
}
.nav_wrap .nav_center .nav_logo .nav_menu li .big_link {
  display: block;
  font-size: 16px;
  color: #333;
  border-bottom: 3px solid #fff;
  padding-bottom: 5px;
}
.nav_wrap .nav_center .nav_logo .nav_menu li.on .big_link, .nav_wrap .nav_center .nav_logo .nav_menu li .big_link:hover {
  color: #1295f8;
  border-bottom: 3px solid #1295f8;
}
.nav_wrap .nav_center .nav_logo .nav_menu li .sub_nav {
  position: absolute;
  left: 50%;
  top: 100%;
  transform: translateX(-50%);
  border: 1px solid #f4f4f4;
  background: #fff;
  box-shadow: 0 0 10px rgba(0, 0, 0, .2);
  width: 110px;
  display: none;
}
.nav_wrap .nav_center .nav_logo .nav_menu li:hover .sub_nav {
  display: block;
}
.nav_wrap .nav_center .nav_logo .nav_menu li .sub_nav a {
  display: block;
  width: 100%;
  text-align: center;
  line-height: 36px;
  font-size: 13px;
}
.nav_wrap .nav_center .nav_logo .nav_menu li .sub_nav a:hover {
  color: #ce0505;
}
.nav_wrap .nav_center .search_media {
  display: flex;
  align-items: center;
  transition: all .5s ease;
}
.nav_wrap .nav_center .search_media .simulation{
  width: 110px;
  position: relative;
  text-align: center;
  cursor: pointer;
  transition: all .5s ease;
  transform: translateX(100%);
  z-index: 3;
}
.nav_wrap .nav_center .search_media.on .simulation{
  transform: translateX(0%);
}

.nav_wrap .nav_center .search_media .simulation .value_span{
  display: block;
  position: relative;
  user-select: none;
  border: 1px solid #ececec;
  border-right: 0;
}

.nav_wrap .nav_center .search_media .simulation .value_span .val{
  font-size: 13px;
  line-height: 40px;
  color: #666;
}

.nav_wrap .nav_center .search_media .simulation .value_span .iconfont{
  font-size: 14px;
  line-height: 40px;
}
.nav_wrap .nav_center .search_media .simulation .select_left{
  color: #fff;
  cursor: pointer;
  position: absolute;
  z-index: 9;
  top: 100%;
  left: 50%;
  transform: translateX(-50%);
  width: 110px;
  display: none;
}

.nav_wrap .nav_center .search_media .simulation .select_left.on{
  display: block;
}

.nav_wrap .nav_center .search_media .simulation .select_left li{
  color: #333;
  background: #fff;
  line-height: 32px;
}

.nav_wrap .nav_center .search_media .simulation .select_left li:hover{
  color: #ce0505;
}

.nav_wrap .nav_center .search_media .search_input {
  width: 210px;
  height: 42px;
  outline: none;
  border: 1px solid #ececec;
  text-indent: 15px;
  font-size: 14px;
  color: #666;
  position: relative;
  z-index: 4;
}

.nav_wrap .nav_center .search_media .search_input::-webkit-input-placeholder {
  color: #999;
}

.nav_wrap .nav_center .search_media .search_input::-moz-placeholder {
  /* Mozilla Firefox 19+ */
  color: #999;
}

.nav_wrap .nav_center .search_media .search_input:-moz-placeholder {
  /* Mozilla Firefox 4 to 18 */
  color: #999;
}

.nav_wrap .nav_center .search_media .search_input:-ms-input-placeholder {
  /* Internet Explorer 10-11 */
  color: #999;
}

.nav_wrap .nav_center .search_media .search_btn {
  width: 42px;
  height: 42px;
  background: #1295f8;
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 20px;
  cursor: pointer;
}
/*媒体导航*/

.media_nav {
  width: 100%;
  background: #fff;
  float: left;
  z-index: -1;
  opacity: 0;
  position: absolute;
  transition: all .3s ease;
  top: 120px;
  left: 0;
}
.media_nav.on{
  z-index: 3;
  opacity: 1;
}
.media_nav .media_nav_center {
    width: 100%;
    max-width: 1200px;
  margin: 0 auto;
  padding: 20px 0;
  border-top: 1px solid #f4f4f4;
}
.media_nav .media_nav_center .media_list {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
}
.media_nav .media_nav_center .media_list a {
  flex: 1;
  display: flex;
  justify-content: center;
  align-items: center;
  flex-direction: column;
}
.media_nav .media_nav_center .media_list a .icon {
  display: flex;
  align-items: center;
  justify-content: center;
  height: 50px;
}
.media_nav .media_nav_center .media_list a img {
  width: 32px;
}
.media_nav .media_nav_center .media_list a span {
  font-size: 14px;
  color: #333333;
  margin-top: 2px;
}
.media_nav .media_nav_center .media_list a:hover span {
  color: #1295f8;
}

/*@media all and (max-width:640px) {
  .top_header,
  .nav_wrap,
  .media_nav,
  .banner_wrap,
  .platform,
  .package_wrap,
  .subbanner,
  .case_wrap,
  .footer_two,
  .footer_bottom,
  .cooperation,
  .media_news,
  .advertisement{
    display: none;
  }
}*/